The explorer is running in 'regtest' mode. This saves disk space, but there is limited data.
The code for this application can be found at github.com/pdxrod/blockchain_explorer.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 2485
Hash: 54727fa567c1bd0440fff927d480e24f8d0287b6d309e944e1542ca0cc48cd27
Previous block: 6b94c47ed3a07ce9edc259f352f5b8dcde359bab98740d06feac7a45563281d0
Next block: 2745d079bde5929ae7b9e466d21f3be1b8685448a17b45732143ca11ffd6cfd6
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847301
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: d683c4e72cf1058dbf21d4b0e4a7848d2d92941ea760d0d2dd04f197e6010bb6
Median time: 1743847300
Difficulty: 4.656542373906925e-10
Confirmations: 158
Chainwork: 000000000000000000000000000000000000000000000000000000000000136c
Bits: 207fffff